During February 2025, Brabissimo focused on improving directory filtering reliability in the fosskers/raylib-1 repository by addressing a bug in the filter detection logic. Using the C standard library and string manipulation techniques, Brabissimo replaced the previous TextFindIndex approach with strstr, enabling more accurate substring matching. An explicit check for the DIRECTORY_FILTER_TAG was also introduced to ensure correct identification of directory filters. These changes reduced false positives and negatives, resulting in more robust directory filtering and a smoother user experience. The work demonstrated a targeted, in-depth approach to bug fixing, emphasizing correctness and maintainability in C-based codebases.